Examples with JsonFactory com.fasterxml.jackson.core.json.JsonFactory used on opensource projects

Example 86 with JsonFactory

use of com.fasterxml.jackson.core.json.JsonFactory in project jackson-core by FasterXML.

the class TestGeneratorObject method testInvalidObjectWrite.

public void testInvalidObjectWrite() throws Exception {
    StringWriter sw = new StringWriter();
    JsonGenerator gen = new JsonFactory().createGenerator(ObjectWriteContext.empty(), sw);
    gen.writeStartObject();
    // Mismatch:
    try {
        gen.writeEndArray();
        fail("Expected an exception for mismatched array/object write");
    } catch (JsonGenerationException e) {
        verifyException(e, "Current context not Array");
    }
    gen.close();
}

Example 87 with JsonFactory

use of com.fasterxml.jackson.core.json.JsonFactory in project jackson-core by FasterXML.

the class TestGeneratorObject method testConvenienceMethodsWithNulls.

/**
 * Tests to cover [JACKSON-164]
 */
public void testConvenienceMethodsWithNulls() throws Exception {
    StringWriter sw = new StringWriter();
    JsonGenerator gen = new JsonFactory().createGenerator(ObjectWriteContext.empty(), sw);
    gen.writeStartObject();
    gen.writeStringField("str", null);
    gen.writeNumberField("num", null);
    gen.writeObjectField("obj", null);
    gen.writeEndObject();
    gen.close();
    String docStr = sw.toString();
    JsonParser jp = createParserUsingReader(docStr);
    assertEquals(JsonToken.START_OBJECT, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("str", jp.currentName());
    assertEquals(JsonToken.VALUE_NULL, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("num", jp.currentName());
    assertEquals(JsonToken.VALUE_NULL, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("obj", jp.currentName());
    assertEquals(JsonToken.VALUE_NULL, jp.nextToken());
    assertEquals(JsonToken.END_OBJECT, jp.nextToken());
    jp.close();
}

Example 88 with JsonFactory

use of com.fasterxml.jackson.core.json.JsonFactory in project jackson-core by FasterXML.

the class TestGeneratorObject method testConvenienceMethods.

/**
 * Methods to test functionality added for [JACKSON-26]
 */
public void testConvenienceMethods() throws Exception {
    StringWriter sw = new StringWriter();
    JsonGenerator gen = new JsonFactory().createGenerator(ObjectWriteContext.empty(), sw);
    gen.writeStartObject();
    final BigDecimal dec = new BigDecimal("0.1");
    final String TEXT = "\"some\nString!\"";
    gen.writeNullField("null");
    gen.writeBooleanField("bt", true);
    gen.writeBooleanField("bf", false);
    gen.writeNumberField("int", -1289);
    gen.writeNumberField("dec", dec);
    gen.writeObjectFieldStart("ob");
    gen.writeStringField("str", TEXT);
    gen.writeEndObject();
    gen.writeArrayFieldStart("arr");
    gen.writeEndArray();
    gen.writeEndObject();
    gen.close();
    String docStr = sw.toString();
    JsonParser jp = createParserUsingReader(docStr);
    assertEquals(JsonToken.START_OBJECT, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("null", jp.getText());
    assertEquals(JsonToken.VALUE_NULL, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("bt", jp.getText());
    assertEquals(JsonToken.VALUE_TRUE, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("bf", jp.getText());
    assertEquals(JsonToken.VALUE_FALSE, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("int", jp.getText());
    assertEquals(JsonToken.VALUE_NUMBER_INT, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("dec", jp.getText());
    assertEquals(JsonToken.VALUE_NUMBER_FLOAT, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("ob", jp.getText());
    assertEquals(JsonToken.START_OBJECT, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("str", jp.getText());
    assertEquals(JsonToken.VALUE_STRING, jp.nextToken());
    assertEquals(TEXT, getAndVerifyText(jp));
    assertEquals(JsonToken.END_OBJECT, jp.nextToken());
    assertEquals(JsonToken.FIELD_NAME, jp.nextToken());
    assertEquals("arr", jp.getText());
    assertEquals(JsonToken.START_ARRAY, jp.nextToken());
    assertEquals(JsonToken.END_ARRAY, jp.nextToken());
    assertEquals(JsonToken.END_OBJECT, jp.nextToken());
    assertEquals(null, jp.nextToken());
    jp.close();
}

Example 89 with JsonFactory

use of com.fasterxml.jackson.core.json.JsonFactory in project jackson-core by FasterXML.

the class TestParserClosing method testNoAutoCloseInputStream.

@SuppressWarnings("resource")
public void testNoAutoCloseInputStream() throws Exception {
    final String DOC = "[ 1 ]";
    JsonFactory f = JsonFactory.builder().disable(JsonParser.Feature.AUTO_CLOSE_SOURCE).build();
    MyStream input = new MyStream(DOC.getBytes("UTF-8"));
    JsonParser jp = f.createParser(ObjectReadContext.empty(), input);
    // shouldn't be closed to begin with...
    assertFalse(input.isClosed());
    assertToken(JsonToken.START_ARRAY, jp.nextToken());
    assertToken(JsonToken.VALUE_NUMBER_INT, jp.nextToken());
    assertToken(JsonToken.END_ARRAY, jp.nextToken());
    assertNull(jp.nextToken());
    // normally would be closed now
    assertFalse(input.isClosed());
    // regular close won't close it either:
    jp.close();
    assertFalse(input.isClosed());
}

Example 90 with JsonFactory

use of com.fasterxml.jackson.core.json.JsonFactory in project jackson-core by FasterXML.

the class TestParserClosing method testAutoCloseReader.

@SuppressWarnings("resource")
public void testAutoCloseReader() throws Exception {
    final String DOC = "[ 1 ]";
    JsonFactory f = JsonFactory.builder().enable(JsonParser.Feature.AUTO_CLOSE_SOURCE).build();
    assertTrue(f.isEnabled(JsonParser.Feature.AUTO_CLOSE_SOURCE));
    MyReader input = new MyReader(DOC);
    JsonParser jp = f.createParser(ObjectReadContext.empty(), input);
    assertFalse(input.isClosed());
    assertToken(JsonToken.START_ARRAY, jp.nextToken());
    // but can close half-way through
    jp.close();
    assertTrue(input.isClosed());
    // And then let's test implicit close at the end too:
    input = new MyReader(DOC);
    jp = f.createParser(ObjectReadContext.empty(), input);
    assertFalse(input.isClosed());
    assertToken(JsonToken.START_ARRAY, jp.nextToken());
    assertToken(JsonToken.VALUE_NUMBER_INT, jp.nextToken());
    assertToken(JsonToken.END_ARRAY, jp.nextToken());
    assertNull(jp.nextToken());
    assertTrue(input.isClosed());
}